// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

use serde::{Deserialize, Serialize};
use time_ext::ReadableDuration;

// FIXME: Use cpu number as the default parallelism
const DEFAULT_READ_PARALLELISM: usize = 8;

#[derive(Clone, Debug, Deserialize, Serialize)]
#[serde(default)]
pub struct Config {
    pub read_parallelism: usize,
    pub expensive_query_threshold: ReadableDuration,
}

impl Default for Config {
    fn default() -> Self {
        Self {
            read_parallelism: DEFAULT_READ_PARALLELISM,
            expensive_query_threshold: ReadableDuration::hours(24),
        }
    }
}
